CN213522861U

CN213522861U - Enhancement type flexible graphite sheet for electronic product

Info

Publication number: CN213522861U
Application number: CN202022599570.0U
Authority: CN
Inventors: 谭小球
Original assignee: Shenzhen Lediwei Technology Co ltd
Current assignee: Shenzhen Lediwei Technology Co ltd
Priority date: 2020-11-11
Filing date: 2020-11-11
Publication date: 2021-06-22
Anticipated expiration: 2030-11-11

Abstract

The utility model discloses an electronic product is with flexible graphite flake of enhancement mode relates to graphite flake technical field. Including the graphite flake body, the upper and lower lateral wall of copper foil piece all is provided with the barb, the triangle opening has all been seted up on the corresponding copper foil piece of barb, the fixed parcel in the copper foil piece outside has the heat-conducting glue, the last fixed surface of heat-conducting glue pastes and has first graphite substrate, the lower fixed surface of heat-conducting glue pastes and has second graphite substrate, the lower fixed surface of second graphite substrate pastes and has the double faced adhesive tape, the upper surface of first graphite substrate is provided with the protective layer. The utility model discloses an interlock area that barb and triangle opening increase copper foil and heat conduction glue increases the flexibility and the intensity of copper foil simultaneously, and non-deformable damages or drops, and the rethread protective layer increases this graphite flake body prevent static, waterproof and wear-resisting function, improves the life of this graphite flake body greatly.

Description

Enhancement type flexible graphite sheet for electronic product

Technical Field

The utility model relates to a graphite flake technical field specifically is an electronic product is with flexible graphite flake of enhancement mode.

Background

In recent years, with the continuous development of electronic technology, mobile phone products are continuously updated, the size of a working assembly of the mobile phone is smaller, the working speed and efficiency are higher and higher, and the heat productivity is larger and larger, so that the mobile phone is required to be equipped with a corresponding heat conduction and radiation element, and the heat conduction and radiation element is required to have stronger heat conduction and radiation capability so as to ensure the reliability of the product performance and prolong the service life of the product, the graphite flake is a brand-new heat conduction and radiation material, has unique crystal grain orientation, uniformly conducts heat along two directions, a lamellar structure can be well adapted to any surface, the performance of a consumer mobile phone product is improved while shielding a heat source and the assembly, the brand-new natural graphite solution has the advantages of high heat radiation efficiency, small occupied space, light weight, uniform heat conduction along two directions, elimination of a 'hot spot' area, shielding the heat source and the assembly, and simultaneously improving the performance of the consumer, however, the conventional flexible graphite sheet for electronic products has the following problems in use:

1. in the prior art, the occlusion area between the heat-conducting glue and the copper foil is small, and meanwhile, the copper foil is soft in strength and easy to fall off, so that the heat dissipation effect of the graphite substrate is influenced and reduced due to the obstruction of the copper foil;

2. among the prior art, the graphite flake mostly only possesses single heat dissipation function, does not have waterproof, prevents static and wear-resisting effect, leads to the graphite flake practicality poor, and life is short.

SUMMERY OF THE UTILITY MODEL

The utility model provides a flexible graphite flake of enhancement mode for electronic product possesses the interlock area that increases copper foil and heat conduction glue, makes copper foil have better flexibility and intensity, and non-deformable damages or drops, increases the advantage of preventing static, waterproof and wear-resisting function of this graphite flake body to it is little to solve the interlock area between heat conduction glue and the copper foil, and intensity is soft, drops easily, reduces the radiating effect, does not have the problem that has waterproof, prevents static and wear-resisting effect.

For the interlock area that realizes increasing copper foil and heat conduction glue, make copper foil have better flexibility and intensity, non-deformable damages or drops, increases the purpose of preventing static, waterproof and wear-resisting function of this graphite flake body, the utility model provides a following technical scheme: an enhanced flexible graphite flake for electronic products comprises a graphite flake body, wherein the graphite flake body comprises a copper foil, barbs, triangular openings, heat conducting glue, a first graphite substrate, a second graphite substrate and double-sided glue, the upper side wall and the lower side wall of the copper foil are respectively provided with the barbs, the triangular openings are respectively arranged on the copper foil corresponding to the barbs, the outer side of the copper foil is fixedly wrapped with the heat conducting glue, the upper surface of the heat conducting glue is fixedly pasted with the first graphite substrate, the lower surface of the heat conducting glue is fixedly pasted with the second graphite substrate, the lower surface of the second graphite substrate is fixedly pasted with the double-sided glue, the upper surface of the first graphite substrate is provided with a protective layer, the protective layer comprises an anti-static coating, a waterproof coating and a wear-resistant layer, the anti-static coating, the waterproof coating and the wear-resistant layer are sequentially and fixedly pasted on the upper surface, and release type protective paper is adhered to the lower surface of the double-sided adhesive tape.

As an optimized technical scheme of the utility model, the side all around of graphite flake body and protective layer is provided with graphite and bordures.

As an optimized technical scheme of the utility model, barb and copper foil piece are the integrated into one piece structure, the inclination of barb is 20-30, and the direction of upper and lower barb is reverse setting.

As an optimized technical proposal of the utility model, the thickness of the first graphite substrate and the second graphite substrate is 0.6mm-3.8 mm.

As an optimized technical proposal of the utility model, the anti-static coating is epoxy resin or polyurethane, and the thickness of the anti-static coating is 0.15mm-0.3 mm.

As an optimized technical proposal of the utility model, the waterproof coating is high polymer modified asphalt waterproof paint, and the thickness of the waterproof coating is 0.1mm-0.15 mm.

As an optimized technical proposal of the utility model, the wear-resistant layer is a cotton fiber layer, and the thickness of the wear-resistant layer is 0.3mm-0.5 mm.

Compared with the prior art, the utility model provides an electronic product is with flexible graphite flake of enhancement mode possesses following beneficial effect:

1. this flexible graphite flake of enhancement mode for electronic product increases the interlock area that copper foil and heat conduction glue through setting up barb and triangle opening, and in heat conduction glue pouring and the triangle opening simultaneously, it is more firm to make the copper foil fixed, and the copper foil is difficult for droing, and the triangle opening improves the flexibility and the intensity of copper foil simultaneously, makes copper foil non-deformable damage or drop.

2. This flexible graphite flake of enhancement mode for electronic product prevents static coating, water proof coating and wearing layer through setting up in the protective layer, increases this graphite flake body prevent static, waterproof and wear-resisting function, improves the life of this graphite flake body greatly.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic cross-sectional view of the copper foil of the present invention.

In the figure: 1. a graphite sheet body; 101. a copper foil; 102. a barb; 103. a triangular opening; 104. heat conducting glue; 105. a first graphite substrate; 106. a second graphite substrate; 107. double-sided adhesive tape; 2. a protective layer; 201. an antistatic coating; 202. a water-resistant coating; 203. a wear layer; 3. release type protective paper; 4. and (5) wrapping graphite.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the utility model discloses an electronic product is with enhancement mode flexible graphite flake, including graphite flake body 1, graphite flake body 1 includes copper foil 101, barb 102, triangle opening 103, heat-conducting glue 104, first graphite substrate 105, second graphite substrate 106 and double faced adhesive tape 107, the upper and lower lateral wall of copper foil 101 all is provided with barb 102, triangle opening 103 has all been seted up on the corresponding copper foil 101 of barb 102, the fixed parcel in the copper foil 101 outside has heat-conducting glue 104, the fixed pasting of upper surface of heat-conducting glue 104 has first graphite substrate 105, the fixed surface of heat-conducting glue 104 is pasted and is had second graphite substrate 106, the fixed surface of second graphite substrate 106 is pasted and is had double faced adhesive tape 107, the upper surface of first graphite substrate 105 is provided with protective layer 2, protective layer 2 includes antistatic coating 201, and, Waterproof coating 202 and wearing layer 203, antistatic coating 201, waterproof coating 202 and wearing layer 203 are from supreme fixed paste in first graphite substrate 105 upper surface down in proper order, the lower surface of double faced adhesive tape 107 is pasted and is had from type protection paper 3.

Specifically, the graphite edge cover 4 is arranged on the side surfaces of the graphite sheet body 1 and the protective layer 2.

In this embodiment, the graphite edge 4 protects the side surfaces around the graphite sheet body 1 and the protective layer 2, and is safe to use.

Specifically, the barb 102 and the copper foil 101 are of an integrally formed structure, the inclination angle of the barb 102 is 20-30 degrees, and the upper and lower barbs 102 are arranged in opposite directions.

In this embodiment, the barb 102 and the copper foil 101 have a firm structure, the barb 102 is not easily damaged, and the barb 102 is fastened in the heat conductive glue 104, so that the copper foil 101 is not easily detached.

Specifically, the thickness of the first graphite substrate 105 and the second graphite substrate 106 is 0.6mm to 3.8 mm.

In this embodiment, the first graphite substrate 105 and the second graphite substrate 106 have high strength and are not easily broken or damaged.

Specifically, the antistatic coating 201 is epoxy resin or polyurethane, and the thickness of the antistatic coating 201 is 0.15mm-0.3 mm.

In this embodiment, the antistatic coating 201 makes the graphite sheet body 1 have a better antistatic effect.

Specifically, the waterproof coating 202 is a high polymer modified asphalt waterproof coating, and the thickness of the waterproof coating 202 is 0.1mm to 0.15 mm.

In this embodiment, waterproof coating 202 provides the waterproof performance of graphite sheet body 1, avoids water to get into and causes graphite sheet body 1 to damage.

Specifically, the wear-resistant layer 203 is a cotton fiber layer, and the thickness of the wear-resistant layer 203 is 0.3mm-0.5 mm.

In this embodiment, wearing layer 203 improves the wear resistance of graphite flake body 1 upper surface, makes graphite flake body 1 be difficult for wearing and tearing damage, improves life.

The utility model discloses a theory of operation and use flow: when in use, the release protective paper 3 is torn, the graphite sheet body 1 is adhered to the electronic product through the double-sided adhesive tape 107, the heat-conducting adhesive 104 is adhered to the upper and lower side surfaces of the copper foil 101, the heat-conducting glue 104 is adhered to each other through the triangular opening 103, and the engaging area between the copper foil 101 and the heat-conducting glue 104 is increased through the barbs 102, so that the copper foil 101 is fixed more firmly, the copper foil 101 is not easy to fall off, meanwhile, the triangular opening 103 improves the flexibility and strength of the copper foil 101, so that the copper foil 101 is not easy to deform, damage or fall off, prevent among the protective layer 2 that electrostatic coating 201 makes graphite flake body 1 have better antistatic effect, waterproof coating 202 provides graphite flake body 1's waterproof performance, avoids water to get into and causes graphite flake body 1 to damage, and wearing layer 203 improves the wear resistance of graphite flake body 1 upper surface, makes graphite flake body 1 be difficult for being damaged by wearing and tearing, improves life.

To sum up, this flexible graphite flake of enhancement mode for electronic product increases the interlock area of copper foil 101 and heat-conducting glue 104 through barb 102 and triangle opening 103, increases the flexibility and the intensity of copper foil 101 simultaneously, and non-deformable damages or drops, and rethread protective layer 2 increases this graphite flake body 1 prevent static, waterproof and wear-resisting function, improves this graphite flake body 1's life greatly.

It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An electronic product is with enhancement mode flexible graphite piece, includes graphite piece body (1), its characterized in that: graphite flake body (1) includes copper foil (101), barb (102), triangle opening (103), heat-conducting glue (104), first graphite substrate (105), second graphite substrate (106) and double faced adhesive tape (107), the upper and lower lateral wall of copper foil (101) all is provided with barb (102), triangle opening (103) have all been seted up on corresponding copper foil (101) of barb (102), the fixed parcel in copper foil (101) outside has heat-conducting glue (104), the last fixed surface of heat-conducting glue (104) pastes and has first graphite substrate (105), the lower fixed surface of heat-conducting glue (104) pastes and has second graphite substrate (106), the lower fixed surface of second graphite substrate (106) pastes and has double faced adhesive tape (107), the upper surface of first graphite substrate (105) is provided with protective layer (2), protective layer (2) are including antistatic coating (201), Waterproof coating (202) and wearing layer (203), prevent that electrostatic coating (201), waterproof coating (202) and wearing layer (203) follow supreme fixed paste in first graphite substrate (105) upper surface down in proper order, the lower surface of double faced adhesive tape (107) is pasted and is had from type protection paper (3).

2. A reinforced flexible graphite sheet for electronic products according to claim 1, wherein: and graphite wrapping edges (4) are arranged on the peripheral side surfaces of the graphite sheet body (1) and the protective layer (2).

3. A reinforced flexible graphite sheet for electronic products according to claim 1, wherein: the barb (102) and the copper foil (101) are of an integrated structure, the inclination angle of the barb (102) is 20-30 degrees, and the direction of the upper barb and the lower barb (102) is reverse.

4. A reinforced flexible graphite sheet for electronic products according to claim 1, wherein: the thickness of the first graphite substrate (105) and the second graphite substrate (106) is 0.6mm-3.8 mm.

5. A reinforced flexible graphite sheet for electronic products according to claim 1, wherein: the antistatic coating (201) is epoxy resin or polyurethane, and the thickness of the antistatic coating (201) is 0.15mm-0.3 mm.

6. A reinforced flexible graphite sheet for electronic products according to claim 1, wherein: the waterproof coating (202) is a high polymer modified asphalt waterproof coating, and the thickness of the waterproof coating (202) is 0.1mm-0.15 mm.

7. A reinforced flexible graphite sheet for electronic products according to claim 1, wherein: the wear-resistant layer (203) is a cotton fiber layer, and the thickness of the wear-resistant layer (203) is 0.3mm-0.5 mm.